Sheryl was diagnosed with bipolarity when she was a teenager. She's hesitant to tell her friends, and tries her best to hide her diagnosis from her coaches, teachers, and employers, since she's seen other people with the illness be discriminated against on account of it. Bipolarity is an example of a(n):a. untreatable illness
b. stigmatized illness
c. withdrawn illness
d. contested illness

Bipolarity is an example of stigmatized illness.

Explanation:

Stigmatized illness is when someone else sees you behaving in an odd or a negative way like because of some mental illness or any other disorder. Stigmatized illness occurs when someone defines you or your character on the basis of your disability or illness rather than who actually you are.  

In bipolarity, the patient suffers from mental disorder which brings abrupt changes in mood.

In this case, Sheryl is hesitant to share her diagnosis with everyone around because she is afraid that people will judge her on the basis of her illness.

Stigmatized illness

Explanation:

Stigmatized illness are illness that can cause people to discriminate again someone by not associating themselves with the person due to the nature of the illness and viewing the person in a negative way which is the reason Sherly hide her illness from others in order not to be discriminated.

People always stigmatized someone suffering from mental disorder and they are mostly discriminated because nobody want or wish to associate their self with them.

Discrimination can sometimes lead to depression.

answer apply a dressing and apply pressure,then get to the hospital;